return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-477.759260
Energy at 298.15K 
HF Energy-477.618325
Nuclear repulsion energy110.463135
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3183 3032 12.40      
2 A1 3075 2929 37.96      
3 A1 1514 1441 0.43      
4 A1 1409 1341 2.50      
5 A1 1076 1025 16.11      
6 A1 707 673 2.97      
7 A1 267 255 0.00      
8 A2 3165 3014 0.00      
9 A2 1485 1414 0.00      
10 A2 974 927 0.00      
11 A2 179 171 0.00      
12 B1 3157 3007 29.83      
13 B1 1493 1422 18.38      
14 B1 1011 963 4.88      
15 B1 185 176 1.09      
16 B2 3184 3033 4.74      
17 B2 3078 2932 31.70      
18 B2 1505 1434 19.78      
19 B2 1383 1317 4.90      
20 B2 935 890 0.01      
21 B2 761 725 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16862.5 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 16059.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31+G**
ABC
0.58987 0.25035 0.18835

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.663
C2 0.000 1.383 -0.514
C3 0.000 -1.383 -0.514
H4 0.000 2.305 0.067
H5 0.000 -2.305 0.067
H6 0.892 1.366 -1.143
H7 -0.892 1.366 -1.143
H8 -0.892 -1.366 -1.143
H9 0.892 -1.366 -1.143

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.81621.81622.38042.38042.43402.43402.43402.4340
C21.81622.76571.09003.73311.09141.09142.95792.9579
C31.81622.76573.73311.09002.95792.95791.09141.0914
H42.38041.09003.73314.60931.77231.77233.96713.9671
H52.38043.73311.09004.60933.96713.96711.77231.7723
H62.43401.09142.95791.77233.96711.78383.26352.7328
H72.43401.09142.95791.77233.96711.78382.73283.2635
H82.43402.95791.09143.96711.77233.26352.73281.7838
H92.43402.95791.09143.96711.77232.73283.26351.7838

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 107.330 S1 C2 H6 111.222
S1 C2 H7 111.222 S1 C3 H5 107.330
S1 C3 H8 111.222 S1 C3 H9 111.222
C2 S1 C3 99.177 H4 C2 H6 108.676
H4 C2 H7 108.676 H5 C3 H8 108.676
H5 C3 H9 108.676 H6 C2 H7 109.622
H8 C3 H9 109.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.050      
2 C -0.527      
3 C -0.527      
4 H 0.171      
5 H 0.171      
6 H 0.165      
7 H 0.165      
8 H 0.165      
9 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.788 1.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.111 0.000 0.000
y 0.000 -24.280 0.000
z 0.000 0.000 -28.941
Traceless
 xyz
x -2.501 0.000 0.000
y 0.000 4.745 0.000
z 0.000 0.000 -2.245
Polar
3z2-r2-4.489
x2-y2-4.831
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.579 0.000 0.000
y 0.000 7.366 0.000
z 0.000 0.000 6.252


<r2> (average value of r2) Å2
<r2> 76.806
(<r2>)1/2 8.764